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ARLINGTON, TX - JANUARY 04: DeMarco Murray #29 of the Dallas Cowboys celebrates after running for a touchdown against the Detroit Lions during the second half of their NFC Wild Card Playoff game at AT&T Stadium on January 4, 2015 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)

With the 2014 season in the rear-view, let's look back at how the Cowboys did on a position-by-position basis. We'll look at starters and contributors, not every last man on the roster.

The Cowboys established a new offensive identity in 2014 thanks to the pounding, physical rushing attack led by DeMarco Murray. Today, we'll grade the running back position.

Grade: A+

Stats:Cowboys backs rushed for 2,287 yards, with an NFL-leading 1,845 of those coming from Murray in a franchise single-season record.

Murray was undoubtedly the straw that stirred the drink known as the Cowboys' rushing attack. While quarterback Tony Romo might've ultimately been the Cowboys' true MVP, Murray gave the Cowboys an offensive identity and took a ton of pressure off Romo to make every single play. Murray had an eye-popping workload of nearly 500 touches between carries and catches, which could sap future production out of him, but it was all about this season, and this season Murray was very good.

When Murray did get a breather, backup Joseph Randle did an admirable job, averaging nearly 7 yards per carry in his limited work. Lance Dunbar didn't do much, but he didn't see the field much either.

And it's overshadowed by just about everything, but the Cowboys had their best fullback since the Moose days in Tyler Clutts, who was a huge part of Murray's success.